44166573887 has 8 divisors (see below), whose sum is σ = 44498596800. Its totient is φ = 43834690944.

The previous prime is 44166573881. The next prime is 44166573907. The reversal of 44166573887 is 78837566144.

It is a happy number.

44166573887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44166573887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44166573881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 648314 + ... + 713192.

It is an arithmetic number, because the mean of its divisors is an integer number (5562324600).

Almost surely, 2^44166573887 is an apocalyptic number.

44166573887 is a deficient number, since it is larger than the sum of its proper divisors (332022913).

44166573887 is a wasteful number, since it uses less digits than its factorization.

44166573887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69985.

The product of its digits is 27095040, while the sum is 59.

The spelling of 44166573887 in words is "forty-four billion, one hundred sixty-six million, five hundred seventy-three thousand, eight hundred eighty-seven".